package com.coffee.mapper;

import com.coffee.dto.ShoppingCartDTO;
import com.coffee.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 动态条件查询
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 通过id更新商品数量
     * @param cart
     */
    @Update("update shopping_cart set number=#{number} where id=#{id}")
    void uppdateNumberById(ShoppingCart cart);

    /**
     * 插入购物车
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time )" +
            "values (#{name}, #{image}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{createTime} )")
    void insert(ShoppingCart shoppingCart);

    /**
     * 根据用户id删除购物车数据
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id=#{userId}")
    void deleteByUserId(Long userId);

    /**
     * 删除某个购物车项
     * @param id
     */
    @Delete("delete from shopping_cart where id=#{id}")
    void deleteById(Long id);

    /**
     * 批量添加购物车数据
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
